CN112189485B - Crop cooling and moisturizing device of agricultural planting greenhouse - Google Patents
Crop cooling and moisturizing device of agricultural planting greenhouse Download PDFInfo
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- CN112189485B CN112189485B CN202011091747.4A CN202011091747A CN112189485B CN 112189485 B CN112189485 B CN 112189485B CN 202011091747 A CN202011091747 A CN 202011091747A CN 112189485 B CN112189485 B CN 112189485B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
- A01G9/1407—Greenhouses of flexible synthetic material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/22—Shades or blinds for greenhouses, or the like
- A01G9/222—Lamellar or like blinds
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/22—Shades or blinds for greenhouses, or the like
- A01G9/227—Shades or blinds for greenhouses, or the like rolled up during non-use
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/247—Watering arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Abstract
The invention discloses a crop cooling and moisturizing device of an agricultural planting greenhouse, which comprises a plurality of frameworks fixedly connected to the ground, wherein the frameworks are arranged at equal intervals, a transparent film is fixedly connected to one side wall, away from the ground, of each framework, a plurality of light processing devices arranged at equal intervals are arranged on one side wall, close to the ground, of each framework, each light processing device comprises two working columns fixedly connected to the frameworks, the two working columns are symmetrically arranged, working cavities are arranged in the two working columns, and rotating rods are rotatably connected between two opposite inner walls of the two working cavities. According to the invention, a user can effectively prevent crops from being damaged due to excessive illumination, and can also replenish water to the crops when the illumination is too strong, so that the water loss condition of the crops is avoided, and the smooth operation of agricultural production is greatly ensured.
Description
Technical Field
The invention relates to the technical field of agriculture, in particular to a crop cooling and moisturizing device for an agricultural planting greenhouse.
Background
The agriculture utilizes the growth and development law of animals and plants, obtains the industry of product through artificial cultivation, often can use the big-arch shelter to accomplish the planting work of all kinds of agricultural products in modern agricultural production work, in order to make the plant can obtain sufficient illumination in the growth process, current big-arch shelter is made by transparent film, but because the too strong illumination of plant in the production process can rise to plant surface temperature for the transpiration of plant, make the plant lose water fast, burn the plant even.
The liquid crystal cross-linked network material (LCN) is a light stimulus response liquid crystal polymer material, can be bent after being irradiated by certain degree, and can be recovered when the illumination intensity is reduced or the illumination disappears.
Therefore, we propose a crop cooling and moisturizing device for an agricultural planting greenhouse to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a crop cooling and moisturizing device for an agricultural planting greenhouse.
In order to achieve the purpose, the invention adopts the following technical scheme:
a crop cooling and moisturizing device of an agricultural planting greenhouse comprises a plurality of frameworks fixedly connected to the ground, a plurality of the frameworks are arranged at equal intervals, a transparent film is fixedly connected to one side wall of the framework far away from the ground, a plurality of light treatment devices arranged at equal intervals are arranged on one side wall of the framework close to the ground, each light treatment device comprises two working columns fixedly connected to the frameworks, the two working columns are symmetrically arranged, working cavities are arranged in the two working columns, rotating rods are rotatably connected between two opposite inner walls of the two working cavities, light treatment films are wound on the two rotating rods, one ends of the two light treatment films are fixedly connected to the two rotating rods respectively, working holes are arranged on one side wall of the two working cavities close to each other, two the one end that the dwang was kept away from to the light treatment film runs through two work hole settings, two the equal fixedly connected with round bar of one end that the dwang was kept away from to the light treatment film, per two link to each other through a working plate between the round bar, the working plate is made by liquid crystal crosslinked network material.
Preferably, be equipped with a plurality of fixed orificess on the transparent film, it is a plurality of the fixed orifices is just setting up a plurality of working plates respectively, and is a plurality of equal fixedly connected with spacing post in the fixed orifices is a plurality of all be equipped with the spacing groove on the lateral wall that spacing post is close to ground, it is a plurality of equal sliding connection has the gag lever post in the spacing groove, and is a plurality of the one end that the spacing groove was kept away from to the gag lever post is fixed connection respectively and is set up on a plurality of working plates.
Preferably, it is a plurality of equal fixedly connected with spacing ring on the inner wall of spacing groove, it is a plurality of the spacing ring all is close to ground setting, and is a plurality of the gag lever post runs through a plurality of spacing ring settings respectively, and is a plurality of the equal fixedly connected with spacing dish of one end that ground was kept away from to the gag lever post, it is a plurality of spacing dish is the matching setting with a plurality of spacing rings.
Preferably, the light treatment films on two sides are respectively a red transparent plastic material and a blue transparent plastic material.
Preferably, two the both ends of dwang all twine there are torsion spring, four torsion spring's one end fixed connection respectively sets up on two dwangs, four torsion spring keeps away from the one end of two dwangs and sets up on the inner wall of two working chambers fixed connection respectively.
Preferably, a plurality of water replenishing devices are jointly arranged on the plurality of frameworks, the plurality of water replenishing devices are respectively matched with the plurality of light processing devices, each water replenishing device comprises a water conveying pipe, the water conveying pipes are fixedly connected to the plurality of frameworks through a plurality of connecting rods, a water spraying pipe is fixedly connected to the outer wall of one side, close to the ground, of the water conveying pipe, a plurality of water spraying holes are formed in one end, close to the ground, of the water spraying pipe, the water spraying pipes are rightly arranged opposite to the plurality of working plates, a plurality of sliding holes are formed in one side wall, close to the ground, of the water conveying pipe, the sliding holes are respectively communicated with the plurality of water spraying pipes, sliding rods are respectively and slidably connected to the plurality of water spraying pipes, one ends, far away from the ground, of the sliding rods respectively penetrate through the plurality of sliding holes and the plurality of water conveying pipes, one ends, far away from the ground, of the sliding rods are respectively and fixedly connected to the plurality of working plates, a plurality of all be equipped with the intercommunication groove on the slide bar is close to a lateral wall on ground, and a plurality of all be equipped with the intercommunicating pore that a plurality of layers equidistant set up on the intercommunication groove one end inner wall of keeping away from ground.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by means of the characteristic that the working plate made of the liquid crystal cross-linked network material can be bent under enough illumination, the working plate can pull the two round rods when the illumination is too strong, and then pull the two light treatment films to be unfolded to complete the shielding work of the transparent film, so that the sunlight can be filtered by means of the two light treatment films, the crops can not be excessively illuminated, and the safety of the crops is greatly ensured;
2. according to the invention, by arranging the water replenishing device, the working plate is bent to drive the sliding rod to ascend when the illumination intensity is too high, so that water in the water conveying pipe can be sprayed on crops through the communicating hole, the communicating groove, the water spraying pipe and the water spraying hole, the water replenishing work on the crops is completed, the water loss condition of the crops is greatly ensured not to occur, and the agricultural production work can be smoothly carried out.
Drawings
Fig. 1 is a front structural sectional view of a crop cooling and moisturizing device of an agricultural planting greenhouse according to the present invention;
FIG. 2 is an enlarged view of the structure A of FIG. 1;
FIG. 3 is an enlarged view of the structure B of FIG. 1;
FIG. 4 is an enlarged view of the structure C of FIG. 1;
fig. 5 is a sectional view of a side structure of a torsion spring part of the crop cooling and moisturizing device of the agricultural planting greenhouse.
In the figure: 1 ground, 2 skeletons, 3 transparent films, 4 working columns, 5 working cavities, 6 rotating rods, 7 light processing films, 8 working holes, 9 round rods, 10 torsion springs, 11 working plates, 12 fixing holes, 13 limiting columns, 14 limiting grooves, 15 limiting rods, 16 limiting rings, 17 limiting discs, 18 water conveying pipes, 19 connecting rods, 20 water spraying pipes, 21 water spraying holes, 22 sliding holes, 23 sliding rods, 24 communicating grooves and 25 communicating holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example one
Referring to fig. 1, 2, 3 and 5, a crop cooling and moisturizing device for an agricultural planting greenhouse comprises a plurality of frameworks 2 fixedly connected to the ground 1, wherein the frameworks 2 are arranged at equal intervals, a transparent film 3 is fixedly connected to one side wall of each framework 2 far away from the ground 1, the frameworks 2 are matched to complete the supporting work of the transparent film 3, so that the greenhouse building work is smoothly completed, and then the crop protection work is completed, a plurality of light processing devices arranged at equal intervals are arranged on one side wall of each framework 2 close to the ground 1, each light processing device comprises two working columns 4 fixedly connected to the frameworks 2, the two working columns 4 are symmetrically arranged, working cavities 5 are arranged in the two working columns 4, and rotating rods 6 are rotatably connected between two opposite inner walls of the two working cavities 5, torsion springs 10 are wound at two ends of the two rotating rods 6, one ends of the four torsion springs 10 are fixedly connected to the two rotating rods 6 respectively, one ends of the four torsion springs 10 far away from the two rotating rods 6 are fixedly connected to the inner walls of the two working cavities 5 respectively, the torsion springs 10 enable the rotating rods 6 to rotate to proper positions under the elastic force action of the torsion springs 10 when not being subjected to external tensile force, then rolling work of the light treatment films 7 on the rotating rods 6 is completed, the light treatment films 7 are wound on the two rotating rods 6 respectively, the light treatment films 7 can filter light, only light with composite requirements can penetrate through the light treatment films 7 to enter the device to irradiate the plants, the light treatment films 7 on two sides are red transparent plastic materials and blue transparent plastic materials respectively, the plants mainly need red light and blue light to complete growth and result work in the growth process, the two light processing films 7 arranged in the way can enable plants to still obtain enough red light and blue light to finish growth and result work under the condition of overhigh illumination intensity, and the strongest green light in sunlight can not be irradiated on the plants by the arrangement, so that the safety of the plants is greatly guaranteed;
one end of each of the two light processing films 7 is fixedly connected to the two rotating rods 6 respectively, one side wall of each of the two working cavities 5 close to each other is provided with a working hole 8, one end of each of the two light processing films 7 far away from the rotating rods 6 is arranged to penetrate through the two working holes 8 respectively, one end of each of the two light processing films 7 far away from the rotating rods 6 is fixedly connected with a round rod 9, every two round rods 9 are connected through a working plate 11, each working plate 11 is made of a liquid crystal cross-linked network material, the liquid crystal cross-linked network material is a light stimulus response liquid crystal polymer material and can be bent after being irradiated to a certain degree, the working plates 11 made of the liquid crystal cross-linked network material can be bent towards the sunlight direction when the sunlight is too strong, then the two round rods 9 are pulled to be close to each other, the two light processing films 7 can be pulled to be unfolded in the process of being close to each other by the two round rods 9, then, the shielding work of the transparent film 3 is completed, so that the sunlight can be effectively prevented from excessively irradiating the plants under the condition of overhigh illumination intensity, the safety of the plants is greatly guaranteed, when the illumination intensity is weakened, the working plate 11 made of the liquid crystal cross-linked network material can be unfolded, then the two round rods 9 are pushed to be away from each other, and thus the two light processing films 7 can be pushed to be away from each other, so that the two light processing films 7 can not shield the transparent film 3 any more, and then the plants can be continuously illuminated fully;
the transparent film 3 is provided with a plurality of fixing holes 12, the plurality of fixing holes 12 are respectively arranged right opposite to the plurality of working plates 11, limiting columns 13 are fixedly connected in the plurality of fixing holes 12, limiting grooves 14 are respectively arranged on one side wall of the plurality of limiting columns 13 close to the ground 1, limiting rods 15 are respectively connected in the plurality of limiting grooves 14 in a sliding manner, one ends of the plurality of limiting rods 15 far away from the limiting grooves 14 are respectively fixedly connected on the plurality of working plates 11, the limiting rods 15 and the limiting grooves 14 are arranged, so that the working plates 11 can finish the bending work of an angle at a specified position, the working plates 11 can smoothly pull the two round rods 9 to finish the work in the bending process, the smooth proceeding of the shielding work is greatly ensured, limiting rings 16 are respectively and fixedly connected on the inner walls of the plurality of limiting grooves 14, the plurality of limiting rings 16 are respectively arranged close to the ground 1, the plurality of limiting rods 15 are respectively arranged through the plurality of limiting rings 16, the equal fixedly connected with spacing dish 17 of one end that ground 1 was kept away from to a plurality of gag lever posts 15, a plurality of gag lever posts 17 are the matching setting with a plurality of spacing rings 16, and spacing dish 17 and 16 set up can effectually avoid gag lever post 15 to break away from spacing groove 14 completely, so alright in order to guarantee that working plate 11 can not excessively drop, very big guarantee the integrality of device.
In this example, the procedure used in the present invention is as follows:
when the illumination intensity is too strong, work plate 11 receives sufficient illumination and can take place crooked, can stimulate two pole 9 and be close to each other when the crooked in-process of work plate 11, two pole 9 can stimulate two light treatment films 7 and keep away from two dwang 6 respectively and expand at the in-process that is close to each other, so two light treatment films 7 alright accomplish the work of sheltering from to transparent film 3 smoothly, make only ruddiness and blue light can pass light treatment film 7 and shine on the plant, help vegetation and result, light such as the biggest green glow of intensity can not shine on the plant, make the plant can not receive injury such as burn because illumination intensity is too big, very big guarantee the safety of plant, make going on that agricultural production work can be smooth.
Example two
Referring to fig. 1 and 4, the difference between the first embodiment and the second embodiment lies in the arrangement of a plurality of water replenishing devices, a plurality of water replenishing devices are commonly arranged on a plurality of frameworks 2, the plurality of water replenishing devices are respectively matched with the arrangement of a plurality of light processing devices, each water replenishing device comprises a water conveying pipe 18, the water conveying pipe 18 is communicated with external water supply equipment, sufficient water is filled in the water conveying pipe 18, the water conveying pipe 18 is fixedly connected to the plurality of frameworks 2 through a plurality of connecting rods 19, a water spraying pipe 20 is fixedly connected to the outer wall of one side of the water conveying pipe 18 close to the ground 1, one end of the water spraying pipe 20 close to the ground 1 is provided with a plurality of water spraying holes 21, the plurality of water spraying pipes 20 are arranged right opposite to the plurality of working plates 11, a plurality of sliding holes 22 are arranged on one side wall of the water conveying pipe 18 close to the ground 1, the plurality of sliding holes 22 are respectively communicated with the plurality of water spraying pipes 20, sliding rods 23 are slidably connected in the plurality of water spraying pipes 20, one end of each sliding rod 23, which is far away from the ground 1, penetrates through each sliding hole 22 and each water conveying pipe 18, one end of each sliding rod 23, which is far away from the ground 1, is fixedly connected to each working plate 11, so that the working plates 11 can pull the sliding rods 23 in the bending process, one side wall, which is close to the ground 1, of each sliding rod 23 is provided with a communication groove 24, and the inner wall, which is far away from the ground 1, of each communication groove 24 is provided with a plurality of layers of communication holes 25 which are arranged at equal intervals, so that when the sliding rods 23 are lifted to a specified position, so that the communication holes 25 are positioned in the water conveying pipes 18, water in the water conveying pipes 18 can enter the water spraying pipes 20 through the communication holes 25 and the communication grooves 24 and then is sprayed on plants through the water spraying holes 21, and water is replenished to the plants, so that the plants cannot lose water due to high illumination intensity, high temperature and the like, greatly ensuring the smooth operation of agricultural production.
Through foretell device, receive enough illumination when the work board 11 carries out the bending, can stimulate slide bar 23 and rise, slide bar 23 can drive the intercommunicating pore 25 at the in-process that rises and move to in the fortune water pipe 18, so water in the fortune water pipe 18 alright flow to the spray pipe 20 through intercommunicating pore 25 and intercommunicating pore 24 under the action of gravity in, then spray on the crops of below through hole for the crops of below carry out moisturizing work, make these crops can not be too big because of illumination intensity, the temperature is too high and the dehydration condition appears, very big guarantee going on smoothly of agricultural production work.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The crop cooling and moisturizing device for the agricultural planting greenhouse comprises a plurality of frameworks (2) fixedly connected to the ground (1), and is characterized in that the frameworks (2) are arranged at equal intervals, a plurality of transparent films (3) are fixedly connected to one side wall of the framework (2) far away from the ground (1) and a plurality of light treatment devices arranged at equal intervals are arranged on one side wall of the framework (2) close to the ground (1) and comprise two working columns (4) fixedly connected to the frameworks (2), the two working columns (4) are symmetrically arranged, working cavities (5) are arranged in the two working columns (4), a rotating rod (6) is rotatably connected between two opposite inner walls of the working cavities (5), and light treatment films (7) are wound on the rotating rod (6), two the one end difference fixed connection of light treatment film (7) sets up on two dwang (6), two all be equipped with work hole (8), two on the lateral wall that working chamber (5) are close to each other the one end that dwang (6) were kept away from in light treatment film (7) runs through two work hole (8) settings respectively, two the equal fixedly connected with round bar (9) of one end that dwang (6) were kept away from in light treatment film (7), per two link to each other through a working plate (11) between round bar (9), working plate (11) are made by liquid crystal crosslinked network material.
2. The crop cooling and moisturizing device for the agricultural planting greenhouse as claimed in claim 1, wherein a plurality of fixing holes (12) are formed in the transparent film (3), the fixing holes (12) are respectively aligned with the working plates (11), a plurality of limiting posts (13) are fixedly connected in the fixing holes (12), a plurality of limiting grooves (14) are formed in a side wall, close to the ground (1), of the limiting posts (13), a plurality of limiting rods (15) are slidably connected in the limiting grooves (14), and one ends, far away from the limiting grooves (14), of the limiting rods (15) are respectively and fixedly connected to the working plates (11).
3. The crop cooling and moisturizing device for the agricultural planting greenhouse as claimed in claim 2, wherein a plurality of limiting rings (16) are fixedly connected to inner walls of the limiting grooves (14), a plurality of limiting rings (16) are arranged close to the ground (1), a plurality of limiting rods (15) are arranged to penetrate through the plurality of limiting rings (16), a plurality of limiting discs (17) are fixedly connected to ends, far away from the ground (1), of the limiting rods (15), and the plurality of limiting discs (17) and the plurality of limiting rings (16) are arranged in a matching manner.
4. The crop cooling and moisturizing device for the agricultural planting greenhouse as claimed in claim 1, wherein the light treatment films (7) on two sides are respectively red transparent plastic material and blue transparent plastic material.
5. The crop cooling and moisturizing device for the agricultural planting greenhouse according to claim 1, wherein two ends of the two rotating rods (6) are wound with torsion springs (10), one ends of the four torsion springs (10) are respectively and fixedly connected to the two rotating rods (6), and one ends of the four torsion springs (10) far away from the two rotating rods (6) are respectively and fixedly connected to the inner walls of the two working chambers (5).
6. The crop cooling and moisturizing device for the agricultural planting greenhouse as claimed in claim 1, wherein a plurality of water replenishing devices are commonly arranged on a plurality of the frameworks (2), the plurality of water replenishing devices are respectively matched with a plurality of light processing devices, each water replenishing device comprises a water conveying pipe (18), the water conveying pipe (18) is fixedly connected to the plurality of the frameworks (2) through a plurality of connecting rods (19), a water spraying pipe (20) is fixedly connected to the outer wall of one side of the water conveying pipe (18) close to the ground (1), one end of the water spraying pipe (20) close to the ground (1) is provided with a plurality of water spraying holes (21), the plurality of water spraying pipes (20) are arranged opposite to the plurality of working plates (11), a plurality of sliding holes (22) are arranged on one side wall of the water conveying pipe (18) close to the ground (1), and the plurality of sliding holes (22) are respectively communicated with the plurality of water spraying pipes (20), it is a plurality of equal sliding connection has slide bar (23) in spray pipe (20), and is a plurality of slide bar (23) keep away from the one end of ground (1) and run through a plurality of sliding holes (22) and a plurality of fortune water pipe (18) setting respectively, and is a plurality of slide bar (23) keep away from the one end of ground (1) and set up on a plurality of work boards (11) fixed connection respectively, and is a plurality of slide bar (23) all are equipped with intercommunication groove (24) on being close to a lateral wall of ground (1), and are a plurality of intercommunication groove (24) all are equipped with intercommunicating pore (25) that a plurality of layers of equidistant set up on keeping away from the one end inner wall of ground (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011091747.4A CN112189485B (en) | 2020-10-13 | 2020-10-13 | Crop cooling and moisturizing device of agricultural planting greenhouse |
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|---|---|---|---|
| CN202011091747.4A CN112189485B (en) | 2020-10-13 | 2020-10-13 | Crop cooling and moisturizing device of agricultural planting greenhouse |
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| CN112189485B true CN112189485B (en) | 2022-05-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112930952A (en) * | 2021-01-28 | 2021-06-11 | 周银斌 | Winter constant temperature respond well green house |
| CN112913529B (en) * | 2021-01-28 | 2023-01-17 | 陈帅 | Planting shed beneficial to plant moisturizing work |
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| CN111471198A (en) * | 2020-04-16 | 2020-07-31 | 华南师范大学 | Liquid crystal elastomer film, preparation method, driving method and application thereof |
| CN111530821A (en) * | 2020-04-30 | 2020-08-14 | 云和县达祥凯机械设计工作室 | Intermittent water spraying device |
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